3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Amount { private $_list = array(); protected $_number; public function __construct($number) { $this->_number = $number; } public function add(Amount $a) { array_push($this->_list, $this->_number); unset($this->_number); array_push($this->_list, $a->_number); $this->_number += $a->_number; } } var_dump(new Amount(2)->add(new Amount(3));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.310.0070.04312.51
5.4.300.0080.03612.52
5.4.290.0090.03412.51
5.4.280.0080.03412.41
5.4.270.0090.03512.41
5.4.260.0070.04212.41
5.4.250.0040.04512.41
5.4.240.0090.03312.41
5.4.230.0080.03712.41
5.4.220.0070.03412.40
5.4.210.0040.03612.40
5.4.200.0070.03512.40
5.4.190.0030.03812.40
5.4.180.0070.03812.40
5.4.170.0060.03612.41
5.4.160.0030.03912.40
5.4.150.0060.03512.40
5.4.140.0070.03712.09
5.4.130.0050.03412.07
5.4.120.0060.04112.04
5.4.110.0070.03812.04
5.4.100.0070.03312.03
5.4.90.0060.03512.04
5.4.80.0090.03212.03
5.4.70.0060.03412.03
5.4.60.0070.03412.03
5.4.50.0060.03512.03
5.4.40.0060.03612.02
5.4.30.0060.03512.02
5.4.20.0050.03512.02
5.4.10.0060.03312.02
5.4.00.0070.03311.50
5.3.280.0050.03812.71
5.3.270.0050.03912.73
5.3.260.0050.03912.72
5.3.250.0030.04112.72
5.3.240.0050.03712.72
5.3.230.0060.03712.71
5.3.220.0090.04012.68
5.3.210.0070.03712.68
5.3.200.0030.04212.68
5.3.190.0040.04012.68
5.3.180.0050.03812.67
5.3.170.0050.03712.67
5.3.160.0080.03512.67
5.3.150.0070.03712.68
5.3.140.0030.04012.66
5.3.130.0070.03712.66
5.3.120.0080.04012.66
5.3.110.0080.04012.66
5.3.100.0060.03612.13
5.3.90.0040.03712.11
5.3.80.0030.03812.11
5.3.70.0030.03912.11
5.3.60.0070.03412.09
5.3.50.0090.03712.03
5.3.40.0080.03312.03
5.3.30.0080.03711.99
5.3.20.0060.03511.77
5.3.10.0060.03511.74
5.3.00.0080.03311.73
5.2.170.0060.0289.23
5.2.160.0050.0289.23
5.2.150.0030.0329.22
5.2.140.0080.0279.21
5.2.130.0070.0289.18
5.2.120.0060.0309.18
5.2.110.0050.0299.19
5.2.100.0040.0299.19
5.2.90.0040.0309.18
5.2.80.0030.0329.18
5.2.70.0060.0289.18
5.2.60.0090.0259.14
5.2.50.0060.0299.10
5.2.40.0050.0289.08
5.2.30.0050.0299.06
5.2.20.0060.0269.05
5.2.10.0070.0318.95
5.2.00.0080.0278.82
5.1.60.0030.0348.10
5.1.50.0040.0248.09
5.1.40.0070.0228.07
5.1.30.0050.0258.43
5.1.20.0060.0248.45
5.1.10.0060.0238.17
5.1.00.0070.0278.17
5.0.50.0040.0196.65
5.0.40.0050.0206.52
5.0.30.0050.0366.32
5.0.20.0050.0216.29
5.0.10.0030.0196.27
5.0.00.0040.0316.26
4.4.90.0020.0164.77
4.4.80.0030.0164.76
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0050.0144.77
4.4.40.0030.0274.71
4.4.30.0030.0184.76
4.4.20.0010.0174.84
4.4.10.0040.0144.85
4.4.00.0010.0264.76
4.3.110.0020.0254.67
4.3.100.0020.0154.66
4.3.90.0020.0184.64
4.3.80.0030.0234.59
4.3.70.0050.0204.63
4.3.60.0030.0194.63
4.3.50.0040.0134.63
4.3.40.0080.0254.54
4.3.30.0020.0223.30
4.3.20.0020.0163.28
4.3.10.0020.0193.24
4.3.00.0000.01715.17

preferences:
140.23 ms | 1386 KiB | 7 Q